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5545 remove unused pritospl and spltopri

@@ -25,29 +25,19 @@
  */
 
 #ifndef _SYS_SPL_H
 #define _SYS_SPL_H
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
 /*
- * Convert system interrupt priorities (0-7) into a psr for splx.
- * In general, the processor priority (0-15) should be 2 times
- * the system pririty.
- */
-#define pritospl(n)     ((n) << 1)
-
-/*
  * on x86 platform these are identity functions
  */
 #define ipltospl(n)     (n)
 #define spltoipl(n)     (n)
-#define spltopri(n)     (n)
 
 /*
  * Hardware spl levels
  * it should be replace by the appropriate interrupt class info.
  */